Kenneth Bialczak and his older brother William pleaded guilty in September 2010 to tax evasion. They owned several of the businesses connected to the scandal, including Metropolitan Towing and S&H Parking.

In court on Wednesday, prosecutors revealed that Shade stopped cooperating last January. They found out about it as they were preparing to take Gregory P. Shepard, the manager at St. Louis Metropolitan Towing, to trial. It was Shade's testimony that helped indict and convict Shepard.